-Try to delete the cache.db file in this place : HD\Library\Application support\Adobe\Adobe PCD\Cache\cache.db ,you must reactivate your subscription after that.

-The other way is to install it in another language,you can change the language from you application manager preferences.If you have french version try to choose "canadian french" or if you have english version try to choose europeen english.This manipulation will reactivate all products downloads.